Update kotlin monorepo to v2.0.20

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.jetbrains.kotlin.jvm (source)	2.0.10 -> 2.0.20
org.jetbrains.kotlin:kotlin-gradle-plugin (source)	2.0.10 -> 2.0.20

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Release Notes

JetBrains/kotlin (org.jetbrains.kotlin.jvm)

v2.0.20

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Configuration

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🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

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